Metabo HM core drill 45x55 mm Weldon shank 19 mm. The Metabo HM core drill is a high-quality tool for precise drilling. With a diameter of 45x55 mm and a Weldon shank of 19 mm (3/4"), it is ideal for various applications. This core drill is suitable not only for regular steels but also for higher alloyed steels, allowing you to work with a wide range of materials. For optimal results, it is recommended to use the core drill with a suitable centering pin. This ensures precise alignment and prevents slipping during the drilling process. Included accessories: centering pin.